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We consider the singular boundary-value problem \Delta u = f(u) in D; u|_dD= phi, where 1. D is a bounded C^2-domain of R^d, d >= 3 2. f: (0,1) -> (0,1) is a locally H\"older continuous function such that f(u) -> 1 as u -> 0 at the rate…

Probability · Mathematics 2016-09-07 Siva Athreya

We present seven theorems on the structure of prime order torsion points on CM elliptic curves defined over number fields. The first three results refine bounds of Silverberg and Prasad-Yogananda by taking into account the class number of…

Number Theory · Mathematics 2009-07-16 Pete L. Clark , Brian Cook , James Stankewicz

We study the topology of the complements of discriminants of simple real boundary singularities by counting the connected components of these sets and assigning to them certain topological characteristics. Results of this paper serve as a…

Algebraic Geometry · Mathematics 2022-09-07 M. A. Gudiev

We introduce and study a new class of differential fields in positive characteristic. We call them separably differentially closed fields and demonstrate that they are the differential analogue of separably closed fields. We prove several…

Logic · Mathematics 2025-07-11 Kai Ino , Omar Leon Sanchez

This note presents absolute bounds on the size of the coefficients of the characteristic and minimal polynomials depending on the size of the coefficients of the associated matrix. Moreover, we present algorithms to compute more precise…

Symbolic Computation · Computer Science 2011-11-10 Jean-Guillaume Dumas

We investigate the boundary critical phenomena of the one-dimensional quantum Ashkin-Teller model using boundary conformal field theory and density matrix renormalization group (DMRG) simulations. Based on the $\mathbb{Z}_2$-orbifold of the…

Strongly Correlated Electrons · Physics 2026-05-13 Yifan Liu , Natalia Chepiga , Yoshiki Fukusumi , Masaki Oshikawa

The order parameter of a critical system defined in a layered parallel plate geometry subject to Neumann boundary conditions at the limiting surfaces is studied. We utilize a one-particle irreducible vertex parts framework in order to study…

Statistical Mechanics · Physics 2017-02-17 Messias V. S. Santos , José B. da Silva , Marcelo M. Leite

We consider a fully discrete and explicit scheme for the mean curvature flow of boundaries, based on an elementary diffusion step and a precise redistancing operation. We give an elementary convergence proof for the scheme under the…

Analysis of PDEs · Mathematics 2026-03-30 Antonin Chambolle , Daniele De Gennaro , Massimiliano Morini

For a smoothly bounded pseudoconvex domain $D\subset{\Bbb C}^n$ of finite type with non-compact holomorphic automorphism group $\text{Aut}(D)$, we show that the set $S(D)$ of all boundary accumulation points for $\text{Aut}(D)$ is a compact…

Complex Variables · Mathematics 2009-09-25 A. V. Isaev , S. G. Krantz

We consider families of mappings with moduli inequalities, having different definition domains. Under some additional assumptions we have proved that such families are uniformly equicontinuous. We have considered four main cases: when…

Complex Variables · Mathematics 2026-05-22 N. Ilkevych , D. Romash , E. Sevost'yanov

We study some foundational properties on discriminant divisors for generically smooth conic bundles. In particular, we extend the formula $\Delta_f \equiv -f_*K_{X/T}^2$ to arbitrary characteristics.

Algebraic Geometry · Mathematics 2024-05-14 Hiromu Tanaka

For an open set $V\subset\mathbb{C}^n$, denote by $\mathscr{M}_{\alpha}(V)$ the family of $\alpha$-analytic functions that obey a boundary maximum modulus principle. We prove that, on a bounded domain $\Omega\subset \mathbb{C}^n$, with…

Complex Variables · Mathematics 2018-09-05 Abtin Daghighi , Frank Wikström

Given a prime number $p$ and a positive integer $m$, we provide a family of diagonal hypersurfaces $\{ f_n \}_{n = 1}^{\infty}$ in $m$ variables, for which the denominator of $\text{ fpt } (f_{n})$ (in lowest terms) is always $p$ and whose…

Commutative Algebra · Mathematics 2024-04-26 Gari Lincoln Chua

Consider a binary mixture model of the form $F_\theta = (1-\theta)F_0 + \theta F_1$, where $F_0$ is standard Gaussian and $F_1$ is a completely specified heavy-tailed distribution with the same support. For a sample of $n$ independent and…

Statistics Theory · Mathematics 2026-04-09 Heather Battey , Peter McCullagh , Daniel Xiang

The proper commuting graph $\mathcal{C}^{**}(G)$ of a finite group $G$ is the simple graph whose vertices are the noncentral elements of $G$ and two distinct vertices are adjacent if they commute. In this paper, we study the domination…

Combinatorics · Mathematics 2026-05-07 Sudip Bera , Hiranya Kishore Dey , Umang Jethva

A famous open problem asks whether the asymptotic dimension of a CAT(0) group is necessarily finite. For hyperbolic groups, it is known that asymptotic dimension of the group is bounded above by the dimension of the boundary plus one, which…

Geometric Topology · Mathematics 2015-08-11 Molly A. Moran

We consider a flocking system confined transversally between two infinite reflecting parallel walls separated by a distance $L_\perp$. Infinite or periodic boundary conditions are assumed longitudinally to the direction of collective…

Soft Condensed Matter · Physics 2024-05-09 Leonardo Lenzini , Giuseppe Fava , Francesco Ginelli

For a given curve X and divisor class C, we give lower bounds on the degree of a divisor A such that A and A-C belong to specified semigroups of divisors. For suitable choices of the semigroups we obtain (1) lower bounds for the size of a…

Number Theory · Mathematics 2008-10-17 Iwan M. Duursma , Seungkook Park

In this manuscript we present a detailed investigation of the form factors of boundary fields of the sinh-Gordon model with a particular type of Dirichlet boundary condition, corresponding to zero value of the sinh-Gordon field at the…

High Energy Physics - Theory · Physics 2009-11-11 Olalla A. Castro-Alvaredo

The present paper analyzes the discrepancy of distribution of rational points on general semisimple algebraic group varieties. The results include mean-square, almost sure, and uniform discrepancy estimates with explicit error bounds, which…

Number Theory · Mathematics 2021-04-15 Alexander Gorodnik , Amos Nevo